Answer:
I think its the last one if you get it wrong im SOOO sorry
Hello there.
We have for a circle that:

Where:
is the measure of the arc
is the measure of the angle (radians)
is the radius of the circle
In our case, we have 
We have r = 3 cm, then:

10% of 80 = 8
80 - 8 = 72
if they are 10% off, the contact lenses will cost $72
The answer is d because the perimeter of 6 by 6 would be 24 and that is the smallest perimeter.
Answer:
Step-by-step explanation:
Let's simplify step-by-step.
(48−3x)(6)x−8
Distribute:
=−18x2+288x+−8
Answer:
=−18x2+288x−8